Problem Display
PID: 268048 (2b5/q7/1npNpB1p/ppP2P2/2p2k2/1R3p1P/1N3P1n/2RK4 w - - 0 1)

Onkoud, Abdelaziz

The Problemist, 1999

2b5/q7/1npNpB1p/ppP2P2/2p2k2/1R3p1P/1N3P1n/2RK4

#4

10 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Rbc3!
      • threat
        • 2.Rxc4+
          • 2...bxc4
            • 3.Rxc4+
              • 3...Sxc4
                • 4.Sd3#
      • 1...Qa6
        • 2.Re3
          • threat
            • 3.Re4#
          • 2...exf5
            • 3.Rd3
              • threat
                • 4.Rd4#
              • 3...cxd3
                • 4.Sxd3#
      • 1...Ba6
        • 2.Rd3
          • threat
            • 3.Rd4#
          • 2...e5
            • 3.Re3
              • threat
                • 4.Re4#
              • 3...e4
                • 4.Rxe4#
      • 1...e5
        • 2.Rxc4+
          • 2...bxc4
            • 3.Rxc4+
              • 3...Sxc4
                • 4.Sd3#
              • 3...e4
                • 4.Sd3#
                • 4.Rxe4#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).